Norton Crash Guard 3.x

Crash Guard is a tool that prevents misbehaving application programs from completely freezing the Windows user interface, in some cases can "unfreeze" a program, and recover the data you were working with. Crash Guard Deluxe also includes a number of additional tools to help improve the stability of a Windows system. This includes a system checker, virus scanner, hard drive integrity scanner, disk optimizer, software updater, registry scanner, and disk space manager.